The patch titled
libata-sff: unbreak non DMA capable controllers again
has been added to the -mm tree. Its filename is
libata-sff-unbreak-non-dma-capable-controllers-again.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: libata-sff: unbreak non DMA capable controllers again
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Seems nobody else is checking/testing this case as it keeps getting horked.
If we have no BAR4 mapping on an SFF controller this is *NOT* an error, it
just means it isn't doing BMDMA.
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/ata/libata-sff.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN drivers/ata/libata-sff.c~libata-sff-unbreak-non-dma-capable-controllers-again drivers/ata/libata-sff.c
--- a/drivers/ata/libata-sff.c~libata-sff-unbreak-non-dma-capable-controllers-again
+++ a/drivers/ata/libata-sff.c
@@ -573,6 +573,10 @@ int ata_pci_init_bmdma(struct ata_host *
struct pci_dev *pdev = to_pci_dev(gdev);
int i, rc;
+ /* No BAR4 allocation: No DMA */
+ if (pci_resource_start(pdev, 4) == 0)
+ return 0;
+
/* TODO: If we get no DMA mask we should fall back to PIO */
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
_
Patches currently in -mm which might be from alan@xxxxxxxxxxxxxxxxxxx are
origin.patch
drivers-edac-fix-reset-edac_mc-pollmsec.patch
drivers-edac-fix-edac_pci-sysfs.patch
include-asm-mips-add-missing-edac-h-file.patch
drivers-edac-fix-pasemi-kconfig-depends.patch
revert-x86-serial-convert-legacy-com-ports-to-platform-devices.patch
pata_acpi-rework-the-acpi-drivers-based-upon-experience.patch
libata-add-irq_flags-to-struct-pata_platform_info-fix.patch
sata_mv-test-patch-for-hightpoint-rocketraid-1740-1742.patch
libata-acpi-checks-for-80wire-cable-headers.patch
libata-acpi-checks-for-80wire-cable-implementation.patch
libata-acpi-checks-for-80wire-cable-use-in-pata_amd.patch
libata-acpi-checks-for-80wire-cable-use-in-pata_via.patch
libata-sff-unbreak-non-dma-capable-controllers-again.patch
libata-fix-hopefully-all-the-remaining-problems-with.patch
testing-patch-for-ali-pata-fixes-hopefully-for-the-problems-with-atapi-dma.patch
pata_ali-more-work.patch
tty-add-the-new-ioctls-and-definitionto-the-mips.patch
lib8390-comment-on-locking-by-alan-cox.patch
add-blacklisting-capability-to-serial_pci-to-avoid-misdetection.patch
add-blacklisting-capability-to-serial_pci-to-avoid-misdetection-fix.patch
git-scsi-rc-fixes.patch
geode-mfgpt-support-for-geode-class-machines.patch
geode-mfgpt-clock-event-device-support.patch
geode-setup-correct-chipset-access-functions-fix.patch
xtensa-enable-arbitary-tty-speed-setting-ioctls.patch
usb-serial-fix-oti6858c-segfault-in-termios-handling.patch
blackfin-enable-arbitary-speed-serial-setting.patch
doc-kernel-parameters-use-x86-32-tag-instead-of-ia-32.patch
update-coredump-path-in-kernel-to-not-check-coredump-rlim-if-core_pattern-is-a-pipe.patch
remove-kconfig-setting-config_debug_shirq.patch
debug-handling-of-early-spurious-interrupts.patch
allow-individual-core-dump-methods-to-be-unlimited-when-sending-to-a-pipe.patch
allow-individual-core-dump-methods-to-be-unlimited-when-sending-to-a-pipe-fix.patch
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